$s =~ / ^ (?: (?: ([\w\-]+) : )? ([\w\-\.]+) : )? ([\w\-\.]+) \s*

    $s =~ / ^ (?: (?: ($projectNameRE) : )? ($jobsetNameRE) : )? ($jobNameRE) \s*

        or die "cannot find the input containing the job expression.\n";

        or die "cannot find the input containing the job expression\n";